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研究了当生成元相关情形时,三重迭代置换的伪随机性,并证明了Ψ~3(f·f,g)及Ψ~3(f,g,g)是伪随机置换。
We study the pseudo-randomness of triple iterative permutations when generating meta-related cases and prove that P ~ 3 (f · f, g) and P ~ 3 (f, g, g) are pseudo-random permutations.